pyxidium

American  

[pik-sid-ee-uhm] / pɪkˈsɪd i əm /

noun

Botany.

pyxidia plural

1. a seed vessel that opens transversely, the top part acting as a lid, as in the purslane.

---

pyxidium British  

/ pɪkˈsɪdɪəm, ˈpɪksɪs /

noun

1. the dry fruit of such plants as the plantain: a capsule whose upper part falls off when mature so that the seeds are released

---

Etymology

Origin of pyxidium

1825–35; < New Latin < Greek pyxídion a little box, equivalent to pyxid- (stem of pyxís ) a box + -ion diminutive noun suffix